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Of the 61 students enrolled in a statistics class last semester, 30 attended classes regularly and 28 used the recommended textbook. 11 of those who
Of the 61 students enrolled in a statistics class last semester, 30 attended classes regularly and 28 used the recommended textbook. 11 of those who used the recommended textbook also attended classes regularly. Report answers accurate to 4 decimal places. 1. What is the probability that a randomly selected student from the class: a) did not attend classes regularly?| 0.5081 bj used the recommended textbook but did not attend classes regularly? 0.2787 c) either used the recommended textbook or attended classes regularly? 0.9508 d) neither attended classes regularly nor used the recommended textbook? 0.0492 2. If two students were selected from the class, one after the other and without replacement, what is the probability that: a) the second student attended classes regularly given the first student also did? 0.2377 b) the second student attended classes regularly given the first did not? 0.2540 Xc) both students used the recommended textbook? 0.2066 dj only the second student used the recommended textbook? 0.2525 e) only one of the two students used the recommended textbook? 0.5049 f) none of the two students attended classes regularly? 0.2540 g) at least one of the two students attended classes regularly
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